What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:-liver disease-an unusual or allergic reaction to etravirine, other medicines, foods, dyes, or preservatives-pregnant or trying to get pregnant-breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Do not cut, crush, or chew this medicine. If unable to swallow whole, the tablet may be dispersed in water right before you take it. Follow the directions on the prescription label. Take this medicine after a meal. Take your medicine at regular intervals. Do not take your medicine more often than directed. For your anti-HIV therapy to work as well as possible, take each dose exactly as prescribed. Do not skip doses or stop your medicine even if you feel better. Skipping doses may make the HIV virus resistant to this medicine and other medicines. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 6 years for selected conditions, precautions do apply.

What if I miss a dose?

What may interact with this medicine?

Do not take this medicine with any of the following medications:-atazanavir-fosamprenavir-tipranavir

This medicine may also interact with the following medications:-clarithromycin-cyclosporine-medicines for blood pressure, heart disease, irregular heart beat-medicines for cholesterol like simvastatin-medicines for fungal infections like ketoconazole and itraconazole-medicines for seizures like carbamazepine, phenobarbital, phenytoin-medicines for sleep-methadone-other medicines for HIV-rifabutin-rifampin-rifapentine-sirolimus-St. John's wort-tacrolimus-warfarin

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue -dark urine -fast, irregular heartbeat -general ill feeling or flu-like symptoms -light-colored stools -loss of appetite, nausea -redness, blistering, peeling or loosening of the skin, including inside the mouth -right upper belly pain -unusually weak or tired -yellowing of the eyes or skin Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):